5244406591 has 4 divisors (see below), whose sum is σ = 5247477000. Its totient is φ = 5241336184.

The previous prime is 5244406589. The next prime is 5244406627. The reversal of 5244406591 is 1956044425.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5244406591 - 2¹ = 5244406589 is a prime.

It is a super-3 number, since 3×5244406591³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5244406091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1532641 + ... + 1536058.

It is an arithmetic number, because the mean of its divisors is an integer number (1311869250).

Almost surely, 2^5244406591 is an apocalyptic number.

5244406591 is a deficient number, since it is larger than the sum of its proper divisors (3070409).

5244406591 is a wasteful number, since it uses less digits than its factorization.

5244406591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3070408.

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 5244406591 is about 72418.2752556287. The cubic root of 5244406591 is about 1737.3958701358.

The spelling of 5244406591 in words is "five billion, two hundred forty-four million, four hundred six thousand, five hundred ninety-one".